| Genus | Author | # Accepted Species | Links | |
|---|---|---|---|---|
| 1 | Antillolpium | Muchmore, 1991 | 2 | Species | Detail |
| 2 | Austrohorus | Beier, 1966 | 1 | Species | Detail |
| 3 | Banksolpium | Muchmore, 1986 | 2 | Species | Detail |
| 4 | Beierolpium | Heurtault, 1977 | 21 | Species | Detail |
| 5 | Calocheiridius | Beier and Turk, 1952 | 38 | Species | Detail |
| 6 | Euryolpium | Redikorzev, 1938 | 12 | Species | Detail |
| 7 | Halominniza | Mahnert, 1975 | 6 | Species | Detail |
| 8 | Heterohorus | Tooren, 2011 | 1 | Species | Detail |
| 9 | Heterolpium | Sivaraman, 1980 | 1 | Species | Detail |
| 10 | Hoffhorus | Heurtault, 1977 | 1 | Species | Detail |
| 11 | Horus | Chamberlin, 1930 | 10 | Species | Detail |
| 12 | Indolpium | Hoff, 1945 | 14 | Species | Detail |
| 13 | Leptolpium | Tooren, 2002 | 1 | Species | Detail |
| 14 | Linnaeolpium | Harvey and Leng, 2008 | 1 | Species | Detail |
| 15 | Minniza | Simon, 1881 | 29 | Species | Detail |
| 16 | Neopachyolpium | Hoff, 1945 | 1 | Species | Detail |
| 17 | Nipponogarypus | Morikawa, 1955 | 3 | Species | Detail |
| 18 | Novohorus | Hoff, 1945 | 3 | Species | Detail |
| 19 | Olpiolum | Beier, 1931 | 4 | Species | Detail |
| 20 | Olpium | L. Koch, 1873 | 35 | Species | Detail |
| 21 | Parolpium | Beier, 1931 | 4 | Species | Detail |
| 22 | Pseudohorus | Beier, 1947 | 14 | Species | Detail |
| 23 | Tricholpium | Tooren, 2011 | 1 | Species | Detail |
| 24 | Xenolpium | Chamberlin, 1930 | 6 | Species | Detail |